cosmic ray acceleration - 2024 Chicago Open

Question

Description acceptable. Seed particles undergo one instance of this process, and then undergo another “shot” of it in the “espresso” mechanism. An energy spectrum that obeys a negative 2.7 power law up to features called the “knee” and “ankle” is reproduced by a mechanism for this process known as DSA. The maximum obtainable energy during this process is determined using a geometry criterion developed by Anthony Hillas. In the paradigmatic mechanism for this process, particles repeatedly cross a shock front and scatter off (15[1])of turbulence on either side of the shock. Charged particles (-5[1])undergo this process as they are repeatedly (*) reflected by oscillating magnetic mirrors, as demonstrated by (-5[1])Enrico Fermi. (-5[3])This process (-5[1])must occur in the local Universe (-5[1])to exceed the GZK cutoff. For 10 points, (10[1])name this process that propels cosmic nuclei to ultrarelativistic (10[1])velocities. ■END■ (10[2]0[13])

ANSWER: cosmic ray acceleration [accept descriptions of the generation or making of cosmic rays; accept diffusive shock acceleration; accept Fermi acceleration until “Fermi” is read; prompt on acceleration by asking “what phenomena are formed by the acceleration?”]

<GC, Other Science (Astronomy)>

= Average correct buzz position

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Summary


2024 Chicago Open	07/28/2024	Y	15	33%	7%	47%	122.60

Buzzes

Player	Team	Opponent	Buzz Position	Value
Jason Hong	The Jeam Team	Les Missourables	82	15
Taylor Harvey	sticking out your guyot for the ridge push; you're so seafloor spread, you're so fracture zone	A Nervy Liberal Nanny Hence	92	-5
Raul Passement	The Dyatlov Passement incident	BHSU B	107	-5
Eric Bobrow	Read slowly: A A A A A A A A A A A A A A A Read quickly: A	Charlotte's Moderately Successful Team	109	-5
Michael Hunding	SAYYID QUTB, DRIVING THE LONGEST CAR YOU’VE EVER SEEN THROUGH TAHRIR SQUARE	Mindgoblin of Little Hobbes	109	-5
Kevin Wang	genAI this, genAI that, have you found your 真爱 yet	var merchants	109	-5
Richard Niu	AMOGH QUIZ HACK? 英雄联盟 400 PPG 24 TUH	Lisan al-Quib	111	-5
Kai Smith	Punished "Venom" BHSU	The Empire Bikes Back	117	-5
Swapnil Garg	it's the great pumpkinification objection, charlie brown	We Need New Names	125	10
Eric Mukherjee	LMM's LLM MLM	I’ll take a quiet 10 / A handshake of CO (Chicago Open)	134	10
Iain Carpenter	Are You There, Chat? It's Me, Margaret	Lying on a Mattress at Lou’s Apartment in Pilsen, Chicago	136	0
Rahul Keyal	Lying on a Mattress at Lou’s Apartment in Pilsen, Chicago	Are You There, Chat? It's Me, Margaret	136	0
Aidan Mehigan	First Cause, First Cause, make me young!	Berkeley Mafia and the Chicago Boy	136	0
Ned Tagtmeier	Berkeley Mafia and the Chicago Boy	First Cause, First Cause, make me young!	136	0
Arya Karthik	Charlotte's Moderately Successful Team	Read slowly: A A A A A A A A A A A A A A A Read quickly: A	136	10
Natan Holtzman	Lisan al-Quib	AMOGH QUIZ HACK? 英雄联盟 400 PPG 24 TUH	136	10
Billy Busse	BHSU B	The Dyatlov Passement incident	136	0
Henry Atkins	The Empire Bikes Back	Punished "Venom" BHSU	136	0
Jerry Vinokurov	The Oldest Men in the World	Galvanized Square Steen and Eco-Friendly Wood Vermeer	136	0
Ethan Ashbrook	Galvanized Square Steen and Eco-Friendly Wood Vermeer	The Oldest Men in the World	136	0
Vivek Sasse	There are buzzable clues everywhere for those with eyes to see	NJTRANSit (and bobby, i guess)	136	0
Sky Hong	NJTRANSit (and bobby, i guess)	There are buzzable clues everywhere for those with eyes to see	136	0
Colin Stewart	var merchants	genAI this, genAI that, have you found your 真爱 yet	136	0
Gautam Kandlikar	when you look this good, you don’t have to know anything	NJTRANSit (and anwen, I guess)	136	0
Anwen Kelleher	NJTRANSit (and anwen, I guess)	when you look this good, you don’t have to know anything	136	0